Physics question and answers for March 01, 2024
- Q as at 100 C fills volume Vo Y Part A If the pressure is held constant by what factor does the volume change if the Celsius temperature is doubled VAE...
- Q 24 Conduction N Convection V or Radiation R Cooks pasta in a pot of hot water Heats the water throughout the pot A B C Heats your hand next to...
- Q NTERACTIVE EXAMPLE Calculations Involving Specific Heat Capacity What quantity of energy in joules is required to heat a sample of aluminum weighing 2 11 g from 23 0 C to...
- Q INTERACTIVE EXAMPLE Specific Heat Capacity Calculations Using the Equation A 2 5 g sample of a metal requires 10 8 J of energy to change its temperature from 23 C...
- Q Two objects with different sizes masses and temperatures are placed in thermal contact Choose the best answer O Energy travels from the object at higher temperature to the object at...
- Q pressure atm Question 13 of 23 4 0 3 0 Question 14 of 23 2 0 1 0 0 0 Mark for Review What s This 100 1 Points ck...
- Q What is the geothermal gradient in a volcanic arc where the temperature is 202 C at a depth of 5 6 km Assume a surface rock temperature of 10 C...
- Q The lifetime of a star can be estimated in solar lifetimes by dividing 1 by the mass of the star raised to the 2 5 power T 1 M2 5...
- Q After sitting out of a refrigerator for a while a turkey at room temperature 68 F is placed into an oven The oven temperature is 315 F Newton s Law...
- Q 26 An adiabatic process is performed on 15 moles of an ideal gas y 1 44 What is the heat capacity at constant pressure for the gas Let the ideal...
- Q All changes saved 11 A radiating body has a Kelvin temperature To and its surroundings are at 500K To 500K When the Kelvin temperature of the radiating body increases to...
- Q When an electric mixer is used to vigorously stir a bowl of room temperature water the mixer is doing mechanical work on the water Assuming no heat is added or...
- Q 0 A thin square steel plate measures 14 cm on each side and has emissivity of 0 60 The plate is heated to a temperature of 745 C What is...
- Q 2 Which material if any is the best thermal insulator material C In an experiment a thin sheet of material A B or C was used to divide two objects...
- Q equilibrium 5 minutes 30 minutes 110 minutes In an experiment a thin sheet of material A B or C was used to divide two objects of different temperature In each...
- Q 14 Rod X and rod Y are cylindrical rods made of the same metal Rod X has radius r and length L Rod Y conducts heat at the same rate...
- Q Water Ice Students design an experiment with a curved insulated rod of an unknown thermally conducting material as shown in the figure The rod is 1 m long and 2...
- Q Convection of Liquids Tube Demonstration Observations Draw the path the dye takes through the convection tube Discussion Questions 1 Describe what is occurring in the convection of liquids tube during...
- Q A 0 478 kg block of a pure material is heated from 38 6 C to 52 3 C by the addition of 3 36 kJ of energy Calculate its...
- Q On the basis of the kinetic theory of gases when the absolute temperature is doubled the average kinetic energy of the gas molecules changes by a factor of 04 O...
- Q 8 What is the peak wavelength of a blackbody with a temperature of 12000 K 10 points
- Q A certain metal has a specific heat c 0 21 cal g C and a mass m 25 6 g The initial temperature is T 34 6 C and the...
- Q T What temperature in C is a blackbody whose emission spectrum peaks at 300 nm Submit Part B V A O Request Answer C What temperature in C is a...
- Q At what wavelength Am would the intensity of blackbody radiation be at a maximum when the blackbody is at 2900 K Express your answer in nanometers to two significant figures...
- Q A 3 4 cm diameter metal sphere is glowing red but a spectrum shows that its emission spectrum peaks at an infrared wavelength of 2 0 m Assume e 1...
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